Home / 17,820.21-26,731.94-4,672.53

Finding the Fourth Proportional to 17,820.21, 26,731.94 and 4,672.53

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Solution

The fourth proportional to 17,820.21, 26,731.94 and 4,672.53 is: 7,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.21 : 26,731.94 = 4,672.53 : x
  2. Step 2: Convert to fraction form
    17,820.21/26,731.94 = 4,672.53/x
  3. Step 3: Cross multiply
    17,820.21x = 26,731.94 × 4,672.53
  4. Step 4: Simplify right side
    17,820.21x = 124,905,768.25
  5. Step 5: Solve for x
    x = 124,905,768.25/17,820.21
  6. Step 6: Final answer
    x = 7,009.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.